Barangay Santo Domingo

Classified as a large barangay, Barangay Santo Domingo is one of the administrative divisions of City of Biñan in Laguna, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Santo Domingo had a population of 6,159. This made it the 21st largest of 24 barangays in City of Biñan by population, placing it among the smaller barangays of the city. Residents of Barangay Santo Domingo accounted for approximately 1.51% of the total population of City of Biñan, which stood at 407,437 in the same census year.

The barangay recorded 6,104 residents in the 2015 intercensal count and 6,159 residents in the 2020 Census — a net change of +0.9%, consistent with a slowly expanding settlement. Barangay Santo Domingo is officially classified as urban, reflecting the density and built-up character of the area.

City of Biñan is a city comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Santo Domingo, including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay Santo Domingo ranks 141st by 2020 population. Laguna is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.